linux-ext4 - Re: [PATCH] ext3: allow specifying external journal by pathname mount option

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Message-ID: <51FA998A.8050305@redhat.com>
Date:	Thu, 01 Aug 2013 12:23:22 -0500
From:	Eric Sandeen <sandeen@...hat.com>
To:	Bill McGonigle <bill@...computing.com>
CC:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH] ext3: allow specifying external journal by pathname mount
 option

On 8/1/13 1:51 AM, Bill McGonigle wrote:
> On 07/31/2013 03:45 PM, Eric Sandeen wrote:
>> well, kernelspace can't use libblkid.
> 
> ah, right.  But userspace could, and with your patch, basically do
> the same thing and mount using the UUID number stored in the
> superblock using the 'by-uuid' path.  Sweet.

yeah.  Right now mount can't parse i.e. "journal_path=UUID=$UUID" type
options as it can do for the device specification, but if the /dev/disk/by-uuid
paths are set up by the time you mount the fs, that works too.

>> I'll send the ext4 version in a minute if you want to try it.
> 
> that would be super - I'd be happy to test it soon.

K, it's on the list now.  :)

-Eric

> -Bill
> 

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